Given the table below:

Potential for Advancement

Sales Ability Fair

Good

Excellent

Total

Below average

$30$

$20$

$30$

$80$

Average

$70$

$60$

$180$

$50$

Above

$\%$

$100$

$80$

$320$

$140$

average

Total

$190$

$170$

$580$

$220$

Nhat is the likelihood that someone has good potential for advancement, given they

have average sales ability?

Answer with only one fraction